The AI Models Index keeps tabs on premium releases from 15 top labs since 2023,...

https://titusssplendidperspective.almoheet-travel.com/which-deep-research-ai-was-best-at-finding-correct-release-dates

The AI Models Index keeps tabs on premium releases from 15 top labs since 2023, verifying dates and using blind votes to ensure accuracy. Updated every two weeks, it shows an average 4.5 days between releases—a 56% improvement over past years